package  com.example.demo.mapper;

import com.example.demo.model.Classes;

import java.util.HashMap;
import java.util.List;

public interface ClassesMapper {
    int deleteByPrimaryKey(Integer cId);

    int insert(Classes record);


    Classes selectByPrimaryKey(Integer cId);

    List<Classes> getAll();
    List<Classes> selectByParamMap(HashMap<String,Object> hashMap);

    int updateByPrimaryKey(Classes record);


}